﻿using System;
using System.Collections.Generic;
using System.Text;
using Gift.Model;
using Gift.Utile;
using System.Data;
using System.Data.SqlClient;
using Maticsoft.DBUtility;


namespace Gift.DAL
{
    /// <summary>
    /// 数据访问类:CommentDAL
    /// </summary>
    public partial class CommentDAL
    {
        public CommentDAL()
        { }
        #region  Method
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int CommentID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from Comment");
            strSql.Append(" where CommentID=@CommentID");
            SqlParameter[] parameters = {
					new SqlParameter("@CommentID", SqlDbType.Int,4)
			};
            parameters[0].Value = CommentID;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Gift.Model.CommentEntity model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into Comment(");
            strSql.Append("ObjectType,ObjectID,MemberID,Content,Created,IsEnable)");
            strSql.Append(" values (");
            strSql.Append("@ObjectType,@ObjectID,@MemberID,@Content,@Created,@IsEnable)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@ObjectType", SqlDbType.Int,4),
					new SqlParameter("@ObjectID", SqlDbType.Int,4),
					new SqlParameter("@MemberID", SqlDbType.Int,4),
					new SqlParameter("@Content", SqlDbType.VarChar,250),
					new SqlParameter("@Created", SqlDbType.DateTime),
					new SqlParameter("@IsEnable", SqlDbType.Bit,1)};
            parameters[0].Value = model.ObjectType;
            parameters[1].Value = model.ObjectID;
            parameters[2].Value = model.MemberID;
            parameters[3].Value = model.Content;
            parameters[4].Value = model.Created;
            parameters[5].Value = model.IsEnable;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Gift.Model.CommentEntity model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update Comment set ");
            strSql.Append("ObjectType=@ObjectType,");
            strSql.Append("ObjectID=@ObjectID,");
            strSql.Append("MemberID=@MemberID,");
            strSql.Append("Content=@Content,");
            strSql.Append("Created=@Created,");
            strSql.Append("IsEnable=@IsEnable");
            strSql.Append(" where CommentID=@CommentID");
            SqlParameter[] parameters = {
					new SqlParameter("@ObjectType", SqlDbType.Int,4),
					new SqlParameter("@ObjectID", SqlDbType.Int,4),
					new SqlParameter("@MemberID", SqlDbType.Int,4),
					new SqlParameter("@Content", SqlDbType.VarChar,250),
					new SqlParameter("@Created", SqlDbType.DateTime),
					new SqlParameter("@IsEnable", SqlDbType.Bit,1),
					new SqlParameter("@CommentID", SqlDbType.Int,4)};
            parameters[0].Value = model.ObjectType;
            parameters[1].Value = model.ObjectID;
            parameters[2].Value = model.MemberID;
            parameters[3].Value = model.Content;
            parameters[4].Value = model.Created;
            parameters[5].Value = model.IsEnable;
            parameters[6].Value = model.CommentID;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int CommentID)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from Comment ");
            strSql.Append(" where CommentID=@CommentID");
            SqlParameter[] parameters = {
					new SqlParameter("@CommentID", SqlDbType.Int,4)
			};
            parameters[0].Value = CommentID;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 批量删除数据
        /// </summary>
        public bool DeleteList(string CommentIDlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from Comment ");
            strSql.Append(" where CommentID in (" + CommentIDlist + ")  ");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Gift.Model.CommentEntity GetModel(int CommentID)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 CommentID,ObjectType,ObjectID,MemberID,Content,Created,IsEnable from Comment ");
            strSql.Append(" where CommentID=@CommentID");
            SqlParameter[] parameters = {
					new SqlParameter("@CommentID", SqlDbType.Int,4)
			};
            parameters[0].Value = CommentID;

            Gift.Model.CommentEntity model = new Gift.Model.CommentEntity();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["CommentID"] != null && ds.Tables[0].Rows[0]["CommentID"].ToString() != "")
                {
                    model.CommentID = int.Parse(ds.Tables[0].Rows[0]["CommentID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["ObjectType"] != null && ds.Tables[0].Rows[0]["ObjectType"].ToString() != "")
                {
                    model.ObjectType = int.Parse(ds.Tables[0].Rows[0]["ObjectType"].ToString());
                }
                if (ds.Tables[0].Rows[0]["ObjectID"] != null && ds.Tables[0].Rows[0]["ObjectID"].ToString() != "")
                {
                    model.ObjectID = int.Parse(ds.Tables[0].Rows[0]["ObjectID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["MemberID"] != null && ds.Tables[0].Rows[0]["MemberID"].ToString() != "")
                {
                    model.MemberID = int.Parse(ds.Tables[0].Rows[0]["MemberID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["Content"] != null && ds.Tables[0].Rows[0]["Content"].ToString() != "")
                {
                    model.Content = ds.Tables[0].Rows[0]["Content"].ToString();
                }
                if (ds.Tables[0].Rows[0]["Created"] != null && ds.Tables[0].Rows[0]["Created"].ToString() != "")
                {
                    model.Created = DateTime.Parse(ds.Tables[0].Rows[0]["Created"].ToString());
                }
                if (ds.Tables[0].Rows[0]["IsEnable"] != null && ds.Tables[0].Rows[0]["IsEnable"].ToString() != "")
                {
                    if ((ds.Tables[0].Rows[0]["IsEnable"].ToString() == "1") || (ds.Tables[0].Rows[0]["IsEnable"].ToString().ToLower() == "true"))
                    {
                        model.IsEnable = true;
                    }
                    else
                    {
                        model.IsEnable = false;
                    }
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select CommentID,ObjectType,ObjectID,MemberID,Content,Created,IsEnable ");
            strSql.Append(" FROM Comment ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" CommentID,ObjectType,ObjectID,MemberID,Content,Created,IsEnable ");
            strSql.Append(" FROM Comment ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM Comment ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT *,(select MemberName from tbMember where memberId=TT.memberId) as MemberName FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.CommentID desc");
            }
            strSql.Append(")AS Row, T.*  from Comment T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /*
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        {
            SqlParameter[] parameters = {
                    new SqlParameter("@tblName", SqlDbType.VarChar, 255),
                    new SqlParameter("@fldName", SqlDbType.VarChar, 255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount", SqlDbType.Bit),
                    new SqlParameter("@OrderType", SqlDbType.Bit),
                    new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
                    };
            parameters[0].Value = "Comment";
            parameters[1].Value = "CommentID";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;	
            return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
        }*/

        #endregion  Method
    }
}
